2011 Steve Matson 2011 Steve Matson 2011 Steve Matson 2024 Ron Vanderhoff 2019 Marisa Persaud 2024 Ron Vanderhoff 2021 R.A. Chasey 2018 Stacie Wolny 2018 Julie Kierstead Nelson 2019 David Greenberger 2025 Suzanne L. Weakley 2025 Suzanne L. Weakley 2024 Mary Ann Machi 2024 stacey lynn moss 2018 Julie Kierstead Nelson 2023 Brian Tremback 2023 Cara Wilcox 2018 Debra Valov 2021 Mary Conway 2021 Mary Conway 2020 Coty Sifuentes-Winter 2019 Matthew Major 2019 Patrick Furtado 2025 Ron Vanderhoff 2024 Hunter Breck 2024 Hunter Breck 2021 R.A. Chasey 2022 R.A. Chasey 2024 Ron Vanderhoff 2025 Ryan O'Dell 2019 Les Vion 2022 Amber Bedgood 2019 Ann Wallace 2016 Talila Golan 2020 Julie A. Kierstead 2020 Eliezer Margolis 2020 Eliezer Margolis 2020 Stacie Wolny 2020 Krystal Pulsipher 2020 Krystal Pulsipher 2020 Krystal Pulsipher 2020 Ron Vanderhoff 2020 Diane Etchison 2020 Carlos Davidson 2019 Ann Wallace 2019 Ann Wallace 2022 Mary Ann Machi 2022 Mary Ann Machi 2022 Mary Ann Machi 2021 John Game 2021 John Game 2021 Suzanne L. Weakley 2021 David Krause 2021 David Krause 2021 David Krause 2019 Mary Wloch 2021 Amber Bedgood 2016 Julie Ann Watson 2020 Aaron Echols
Cirsium occidentale is a perennial herb that is native to California, and endemic (limited) to California.
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2011 Steve Matson:!2011 Steve Matson:!2011 Steve Matson:!2024 Ron Vanderhoff:!2019 Marisa Persaud:!2024 Ron Vanderhoff:!2021 R.A. Chasey:!2018 Stacie Wolny:!2018 Julie Kierstead Nelson:!2019 David Greenberger:!2025 Suzanne L. Weakley:!2025 Suzanne L. Weakley:!2024 Mary Ann Machi:!2024 stacey lynn moss:!2018 Julie Kierstead Nelson:!2023 Brian Tremback:!2023 Cara Wilcox:!2018 Debra Valov:!2021 Mary Conway:!2021 Mary Conway:!2020 Coty Sifuentes-Winter:!2019 Matthew Major:!2019 Patrick Furtado:!2025 Ron Vanderhoff:!2024 Hunter Breck:!2024 Hunter Breck:!2021 R.A. Chasey:!2022 R.A. Chasey:!2024 Ron Vanderhoff:!2025 Ryan O'Dell:!2019 Les Vion:!2022 Amber Bedgood:!2019 Ann Wallace:!2016 Talila Golan:!2020 Julie A. Kierstead:!2020 Eliezer Margolis:!2020 Eliezer Margolis:!2020 Stacie Wolny:!2020 Krystal Pulsipher:!2020 Krystal Pulsipher:!2020 Krystal Pulsipher:!2020 Ron Vanderhoff:!2020 Diane Etchison:!2020 Carlos Davidson:!2019 Ann Wallace:!2019 Ann Wallace:!2022 Mary Ann Machi:!2022 Mary Ann Machi:!2022 Mary Ann Machi:!2021 John Game:!2021 John Game:!2021 Suzanne L. Weakley:!2021 David Krause:!2021 David Krause:!2021 David Krause:!2019 Mary Wloch:!2021 Amber Bedgood:!2016 Julie Ann Watson:!2020 Aaron Echols:!
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Suggested Citation
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 07/09/2025).
